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| author | Bruce Momjian <bruce@momjian.us> | 1997-12-24 06:06:58 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1997-12-24 06:06:58 +0000 |
| commit | 6231e161c95a0bb1f40fa2693189fdd356095793 (patch) | |
| tree | 66555682983ecc92f8cf91e4a6e7304878a652ef /src/backend/nodes/copyfuncs.c | |
| parent | 18adbd9aed41ae905b567be1a04678fb902c0a78 (diff) | |
| download | postgresql-6231e161c95a0bb1f40fa2693189fdd356095793.tar.gz postgresql-6231e161c95a0bb1f40fa2693189fdd356095793.zip | |
Implementation of UNIONs.
Diffstat (limited to 'src/backend/nodes/copyfuncs.c')
| -rw-r--r-- | src/backend/nodes/copyfuncs.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c index f7a88a54b2b..96dc5097e10 100644 --- a/src/backend/nodes/copyfuncs.c +++ b/src/backend/nodes/copyfuncs.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.25 1997/12/23 21:49:03 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.26 1997/12/24 06:05:52 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -1566,7 +1566,18 @@ _copyQuery(Query *from) } else newnode->qry_aggs = NULL; - + + if (from->unionClause) + { + List *ulist, *temp_list = NIL; + + foreach(ulist, from->unionClause) + temp_list = lappend(temp_list,copyObject(lfirst(ulist))); + newnode->unionClause = temp_list; + } + else + newnode->unionClause = NULL; + return newnode; } |